CN202992046U - Electric vehicle two-gear manual variable speed driving system - Google Patents
Electric vehicle two-gear manual variable speed driving system Download PDFInfo
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- CN202992046U CN202992046U CN2012203553332U CN201220355333U CN202992046U CN 202992046 U CN202992046 U CN 202992046U CN 2012203553332 U CN2012203553332 U CN 2012203553332U CN 201220355333 U CN201220355333 U CN 201220355333U CN 202992046 U CN202992046 U CN 202992046U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses an electric vehicle two-gear manual variable speed driving system which comprises a transmission and a motor. The transmission comprises a power input shaft, a power output shaft, a fast gear driving gear, a fast gear driven gear, a slow gear driving gear and a slow gear driven gear, wherein a gear engaging splicer is sleeved on the outside of the power output shaft in an axial sliding circular-direction transmission mode between the fast gear driven gear and the slow gear driven gear. When the electric vehicle two-gear manual variable speed driving system is used, a driver autonomously changes gears according to driving road conditions, large torsion output is achieved through a low-speed gear during slope climbing, high-speed running is achieved through a high-speed gear on the flat ground, and power output of an electric vehicle is reasonably distributed on the flat ground and during the slope climbing. Compared with the prior art, power consumption during the slope climbing is reduced, power of the motor is utilized completely on the flat ground, energy conservation and environmental protection are achieved, and using cost is reduced. The electric vehicle two-gear manual variable speed driving system has the advantages of being direct to operate, low in cost and small in size, is suitable for electric vehicles which are light, convenient to use, and energy-saving, and is particularly practical for affordable three-wheel electric vehicles.
Description
Technical field
The utility model relates to a kind of automotive component, particularly two grades of hand gear drive systems of a kind of electric motor car.
Background technique
Electric motor car (two-wheeled, three-wheel and electric vehicle) travels take vehicle-mounted power accumulator as the motivational drive electric vehicle, and to have energy-saving and environmental protection light due to electric motor car, and cost of use is lower, more and more comes into one's own.
Electric motor car generally comprises power supply, motor, speed changer, walking assembly and control system, and due to the operation characteristic of motor, the speed changer of electric motor car does not generally adopt a grade speed change, directly comes regulation speed by the regulating and controlling motor speed; And for the larger uphill way of output torque, utilize existing single speed changer structure, can only increase the purpose that electric weight output reaches climbing, can cause the more waste of electric weight, and, owing to travelling in the level land of considering that speed changer structure is more, thereby, increase electric weight output unsatisfactory for the effect that climbing reaches, even sometimes the motor rotation blockage phenomenon can occur.In prior art, more studied of the automatic gear-shifting of electric motor car, but due to the energy-conserving and environment-protective of considering electric motor car and light requirement, structurally need accept or reject, thereby be applied to put into practice less, and cost is higher, particularly can cause integral vehicle cost to improve for economic and practical electro-tricycle etc. more.
Therefore, need to improve existing electric vehicle transmission, make electric motor car rational allocation power output when level land and climbing, compared with prior art, the power consumption when reducing to climb takes full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost.
The model utility content
In view of this, the utility model provides a kind of electric motor car two grades of hand gear drive systems, make electric motor car rational allocation power output when level land and climbing, compared with prior art, power consumption when reducing to climb, take full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost.
two grades of hand gear drive systems of electric motor car of the present utility model, comprise speed changer and motor, described speed changer comprises power input shaft, pto＝power take-off, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear and slow shelves driven gear, described fast shelves driven gear and the engagement of fast shelves driving gear, described slow shelves driven gear and the engagement of slow shelves driving gear, described fast shelves driving gear and slow shelves driving gear transmission respectively are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with respectively pto＝power take-off, be coated at pto＝power take-off in the mode of the circumferencial direction transmission that can endwisely slip and be provided with the engage a gear coupling between fast shelves driven gear and slow shelves driven gear, described engage a gear coupling can engage respectively transmission with fast shelves driven gear or slow shelves driven gear.
Further, also comprise differential mechanism, described pto＝power take-off coordinates with the power intake transmission of differential mechanism;
Further, described pto＝power take-off transmission coordinates and is provided with power output gear, differential mechanism be provided with as power intake and with the differential mechanism input gear of power output gear engagement;
Further, described speed changer also comprises case of transmission, described pto＝power take-off and power input shaft be respectively can be arranged at case of transmission around the mode that self axis rotates, and described motor is positioned at that case of transmission external stability is connected in case of transmission and its rotor shaft coordinates with the power input shaft coaxial transmission;
Further, described engage a gear coupling can engage transmission with fast shelves driven gear by the free wheel device that is arranged at pto＝power take-off, the inner ring of described free wheel device is rotatably assorted and is coated at pto＝power take-off, the outer ring of free wheel device coordinates with the transmission of fast shelves driven gear, described engage a gear coupling can engage transmission with the inner ring of free wheel device, and the power output sense of rotation at pto＝power take-off between the inner ring of described free wheel device and the outer ring of free wheel device surmounts;
Further, described engage a gear coupling is provided with for driving its gear shift driven unit that endwisely slips and complete gear shift, and described shifter assemblies comprises the shift fork that coordinates at axial restraint with the engage a gear coupling, shift fork is applied that the pretension axial force makes holddown spring that the engage a gear coupling engages with fast grade driven gear and for the manual force part that shift fork is applied with the pulling force of the pretension axial force opposite direction of holddown spring;
Further, be parallel to pto＝power take-off and be provided with declutch shift shaft in axial sliding, described shift fork one end is positioned at the annular fork slot of engage a gear coupling, and the other end is fixed in declutch shift shaft, and the manual force part is be connected in declutch shift shaft and can apply to it manual drag-line of axial force; Described holddown spring is coated at declutch shift shaft and an end and withstands the shift fork the other end and withstand case of transmission;
Further, coordinate by the transmission of end face spline engagement between the rotor shaft of described motor and power input shaft.
The beneficial effects of the utility model: two grades of hand gear drive systems of electric motor car of the present utility model, be two grades of manual shift structures with the speed changer of electric motor car, the driver can shift autonomous according to the road conditions of travelling, reach high pulling torque output with bottom gear during climbing, realize running at high speed with top gear during the level land, make electric motor car rational allocation power output when level land and climbing, compared with prior art, power consumption when reducing to climb, take full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost; And the utility model is compared with automatic transmission, has to control the characteristics direct, that cost is low, volume is little, is applicable to light, energy-conservation electric motor car, and particularly the three-wheeled electric vehicle for economic and practical type is comparatively practical.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that Fig. 1 is along A-A to sectional view.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is that Fig. 1 is along A-A to sectional view, as shown in the figure: two grades of hand gear drive systems of the electric motor car of the present embodiment, comprise speed changer and motor 1, described speed changer comprises power input shaft 15, pto＝power take-off 10, fast shelves driving gear 14, fast shelves driven gear 8, slow shelves driving gear 12 and slow shelves driven gear 11, described fast shelves driven gear 8 and fast shelves driving gear 14 engagements, described slow shelves driven gear 11 and slow shelves driving gear 12 engagements, described fast shelves driving gear 14 and slow shelves driving gear 12 transmission respectively are equipped with in power input shaft 15, it can be integrally formed structure, can be also that split type employing assembly technology is installed, fast shelves driven gear 8 and slow shelves driven gear 11 are set in rotation with respectively pto＝power take-off 10, be coated at pto＝power take-off 10 in the mode of the circumferencial direction transmission that can endwisely slip and be provided with engage a gear coupling 9 between fast shelves driven gear 8 and slow shelves driven gear 11, described engage a gear coupling 9 can engage respectively transmission with fast shelves driven gear 8 or a slow shelves driven gear 11, as shown in the figure, engage a gear coupling 9 is between fast shelves driven gear 8 and slow shelves driven gear 11, the engage a gear coupling is provided with external tooth, fast shelves driven gear 8 and slow shelves driven gear 11 be respectively equipped with can with the internal tooth of this external tooth engagement, engage a gear coupling 9 is neutral position when the centre, and axially slip is completed and the engaging and transmission of fast shelves driven gear 8 or slow shelves driven gear 11 under external force drives, certainly, soldered tooth and juncture that engage a gear coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 are equipped with necessary joint transmission all belong to prior art, do not repeat them here, the structure of employing engage a gear coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 realizes shifted, simple and compact for structure, and fabricating cost is low, be applicable to light electric motor car, be beneficial to the relative reduce integral vehicle cost, and compare with existing electric motor car, cost there is no more increase.。
In the present embodiment, also comprise differential mechanism, described pto＝power take-off 10 coordinates with the power intake transmission of differential mechanism; Differential mechanism is set, makes the utility model can directly apply to three-wheeled electric vehicle and four-wheel electric motor car, have integrated performance preferably.
In the present embodiment, 10 transmissions of described pto＝power take-off coordinate and are provided with power output gear 2, differential mechanism be provided with as power intake and with the differential mechanism input gear 5 of power output gear engagement, adopt the gear engagement pair that power is inputed to differential mechanism, transmission efficiency is high, compact structure.
In the present embodiment, described speed changer also comprises case of transmission 13, described pto＝power take-off 10 and power input shaft 15 be respectively can be arranged at case of transmission 13 around the mode that self axis rotates, and described motor 1 is positioned at that case of transmission 13 external stabilities are connected in case of transmission 13 and its rotor shaft 1a coordinates with power input shaft 15 coaxial transmissions; As shown in the figure, motor 1 shell is fixedly connected on case of transmission 6; Motor 1 is integrated in one with speed changer, makes whole driving assembly structure compact, has integrity preferably, and the vehicle that more can be applicable to light and flexible uses; And reduce the Transmitted chains of transmission of power, be beneficial to and raise the efficiency, energy saving.
In the present embodiment, described engage a gear coupling 9 can engage transmission with fast shelves driven gear 8 by the free wheel device 21 that is arranged at pto＝power take-off 10, the inner ring of described free wheel device 21 is rotatably assorted and is coated at pto＝power take-off 10, the outer ring of free wheel device 21 coordinates with 8 transmissions of fast shelves driven gear, as shown in the figure, fast shelves driven gear 8 with the outer ring of free wheel device 21 one-body molded or double outer ring of making free wheel device 21; Described engage a gear coupling 9 can engage transmission with the inner ring of free wheel device 21, as shown in the figure, the inner ring of free wheel device 21 forms the soldered tooth that matches with engage a gear coupling 9, this soldered tooth can be internal tooth or external tooth, the present embodiment adopts internal tooth, this internal tooth extended by the inner ring end of free wheel device and outwards the disk-like structure that forms of bending process, and engage a gear coupling 9 is the external tooth that meshes with this internal tooth; Power output sense of rotation at pto＝power take-off between the outer ring of the inner ring of described free wheel device 21 and free wheel device 21 (fast shelves driven gear 8) surmounts; When vehicle sliding; free wheel device 21 surmounts; pto＝power take-off rotates; and the Transmitted chains between fast shelves driving gear disconnects; thereby this structure can be so that pto＝power take-off 10 interfere with motor output when sliding; guarantee the smooth and easy operation of electric motor car, and be beneficial to the protection motor and be without prejudice.
In the present embodiment, described engage a gear coupling 9 is provided with for driving its gear shift driven unit that endwisely slips and complete gear shift, and described shifter assemblies comprises the shift fork 16 that coordinates at axial restraint with engage a gear coupling 9, shift fork 16 is applied the pretension axial force makes engage a gear coupling 9 engage the holddown spring 18 of (the present embodiment is by free wheel device 21 joints) with fast shelves driven gear 8 and for the manual force part that shift fork 16 is applied with the pulling force of the pretension axial force opposite direction of holddown spring 18; Under normality, engage a gear coupling 9 engages by free wheel device 21 with fast shelves driven gear 8, realizes that fast shelves travel; And in the climbing highway section, the driver drives the manual force part makes shift fork overcome the pretension axial force of holddown spring 18, and drives thus engage a gear coupling 9 and engage with a slow shelves driven gear 11, realizes that high pulling torque exports; Simple and compact for structure, easy to operate, in conjunction with the characteristics of travelling of electric motor car, do not need loaded down with trivial details shift fork gear shift.
In the present embodiment, be parallel to pto＝power take-off 10 and be provided with declutch shift shaft 17 in axial sliding, described shift fork 16 1 ends are positioned at the annular fork slot 9a of engage a gear coupling 9, and engage a gear coupling 9 belongs to prior art with the cooperating structure of shift fork 16, does not repeat them here; Shift fork 16 the other ends are fixed in declutch shift shaft 17, and the manual force part is be connected in declutch shift shaft and can apply to it manual drag-line 20 of axial force; As shown in the figure, declutch shift shaft 17 is supported in case of transmission 6 in mode in axial sliding, adopt declutch shift shaft 17 structures, has guide effect preferably, and the turning torque that can bear shift fork 16, make the shift fork action accurately smooth and easy, this structure is easy to arrange manual drag-line in conjunction with cable support as shown in the figure; Described holddown spring 18 is coated at declutch shift shaft 17 and an end and withstands shift fork 16 the other ends and withstand case of transmission 6, forms and presses the pretension axial force, and this pretension axial force acts on shift fork 16 and declutch shift shaft 17 simultaneously.
in the present embodiment, described differential mechanism is installed in case of transmission 13, differential mechanism input gear 5 coordinates with differential casing 6 transmissions of differential mechanism, the two ends, left and right of differential casing 6 are rotatably assorted respectively and are supported in case of transmission 13, as shown in the figure, the left and right sun gear of differential mechanism (left sun gear 3 and right sun gear 6, this left and right of sentencing on figure is as the criterion, during use, left sun gear 3 and right sun gear 6 can be each other the left and right) be respectively equipped with the power output axle shaft, the power output axle shaft of left and right sun gear correspondence respectively is rotatably assorted and is placed in differential casing 6 in coaxial and is used for outputting power, as shown in the figure, the planet wheel 4 of differential mechanism is being arranged at differential casing 6 around the mode that self axis rotates, can be by the planet wheel shaft setting, it can be also direct setting, the structure that belongs to prior art, do not repeat them here, the two ends, left and right of differential casing 6 are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of case of transmission 6, and the power output axle shaft of left sun gear 3 and right sun gear 6 corresponding being rotatably assorted respectively is placed in the central axle sleeve of case of transmission in coaxial, differential mechanism is the structure of prior art, the sun gear (figure is left sun gear 12 and right sun gear 13) that comprises planet wheel 4 and be used for outputing power, do not repeat them here, the cooperating structure of differential mechanism and case of transmission 6 makes the utility model compact structure, drive mechanism is sealed to one, form rear-mounted structure, save installing space.
In the present embodiment, coordinate by the transmission of end face spline engagement between the rotor shaft 1a of described motor 1 and pto＝power take-off 10, simple in structure, convenient processing and manufacture.
In the utility model, as shown in the figure, annular bearing with rolling contact by necessity between the central axle sleeve of power input shaft 15, pto＝power take-off 10 and differential casing 6 and case of transmission 13 is rotatably assorted, and belongs to the cooperating structure of prior art, does not repeat them here; In the utility model, transmission coordinates the mode that refers to transferring power to coordinate, and comprises engagement driving, spline drived cooperation etc.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. two grades of hand gear drive systems of an electric motor car, it is characterized in that: comprise speed changer and motor, described speed changer comprises power input shaft, pto＝power take-off, fast shelves driving gear, fast shelves driven gear, slow shelves driving gear and slow shelves driven gear, described fast shelves driven gear and the engagement of fast shelves driving gear, described slow shelves driven gear and the engagement of slow shelves driving gear, described fast shelves driving gear and slow shelves driving gear transmission respectively are equipped with in power input shaft, fast shelves driven gear and slow shelves driven gear are set in rotation with respectively pto＝power take-off, be coated at pto＝power take-off in the mode of the circumferencial direction transmission that can endwisely slip and be provided with the engage a gear coupling between fast shelves driven gear and slow shelves driven gear, described engage a gear coupling can engage respectively transmission with fast shelves driven gear or slow shelves driven gear.
2. two grades of hand gear drive systems of electric motor car according to claim 1, it is characterized in that: also comprise differential mechanism, described pto＝power take-off coordinates with the power intake transmission of differential mechanism.
3. two grades of hand gear drive systems of electric motor car according to claim 2, it is characterized in that: described pto＝power take-off transmission coordinates and is provided with power output gear, differential mechanism be provided with as power intake and with the differential mechanism input gear of power output gear engagement.
4. two grades of hand gear drive systems of electric motor car according to claim 1, it is characterized in that: described speed changer also comprises case of transmission, described pto＝power take-off and power input shaft be respectively can be arranged at case of transmission around the mode that self axis rotates, and described motor is positioned at that case of transmission external stability is connected in case of transmission and its rotor shaft coordinates with the power input shaft coaxial transmission.
5. two grades of hand gear drive systems of electric motor car according to claim 1, it is characterized in that: described engage a gear coupling can engage transmission with fast shelves driven gear by the free wheel device that is arranged at pto＝power take-off, the inner ring of described free wheel device is rotatably assorted and is coated at pto＝power take-off, the outer ring of free wheel device coordinates with the transmission of fast shelves driven gear, described engage a gear coupling can engage transmission with the inner ring of free wheel device, and the power output sense of rotation at pto＝power take-off between the inner ring of described free wheel device and the outer ring of free wheel device surmounts.
6. two grades of hand gear drive systems of the described electric motor car of arbitrary claim of according to claim 1 to 5, it is characterized in that: described engage a gear coupling is provided with for driving its gear shift driven unit that endwisely slips and complete gear shift, and described shifter assemblies comprises the shift fork that coordinates at axial restraint with the engage a gear coupling, shift fork is applied that the pretension axial force makes holddown spring that the engage a gear coupling engages with fast grade driven gear and for the manual force part that shift fork is applied with the pulling force of the pretension axial force opposite direction of holddown spring.
7. two grades of hand gear drive systems of electric motor car according to claim 6, it is characterized in that: be parallel to pto＝power take-off and be provided with declutch shift shaft in axial sliding, described shift fork one end is positioned at the annular fork slot of engage a gear coupling, the other end is fixed in declutch shift shaft, and the manual force part is be connected in declutch shift shaft and can apply to it manual drag-line of axial force; Described holddown spring is coated at declutch shift shaft and an end and withstands the shift fork the other end and withstand case of transmission.
8. two grades of hand gear drive systems of electric motor car according to claim 7 is characterized in that: coordinate by the transmission of end face spline engagement between the rotor shaft of described motor and power input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203553332U CN202992046U (en) | 2012-07-20 | 2012-07-20 | Electric vehicle two-gear manual variable speed driving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203553332U CN202992046U (en) | 2012-07-20 | 2012-07-20 | Electric vehicle two-gear manual variable speed driving system |
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| CN202992046U true CN202992046U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203553332U Expired - Fee Related CN202992046U (en) | 2012-07-20 | 2012-07-20 | Electric vehicle two-gear manual variable speed driving system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307222A (en) * | 2013-06-13 | 2013-09-18 | 同济大学 | Mechanical automatic transmission of electric automobile provided with overrun clutch |
| CN104455333A (en) * | 2014-10-21 | 2015-03-25 | 重庆市霞艺汽车配件制造有限公司 | Left box of two-gear electric bicycle speed changer assembly |
| CN106195192A (en) * | 2016-09-29 | 2016-12-07 | 重庆实强机器制造厂 | A kind of electric automobile and two grades of change speed gear boxes thereof |
| CN106246849A (en) * | 2016-08-31 | 2016-12-21 | 赣州五环机器有限责任公司 | A kind of two grades of electric auto-shifting automotive transmissions of bridge case one |
| CN107366732A (en) * | 2017-07-22 | 2017-11-21 | 朱幕松 | Automatic spring gear shifting differential speed motor |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
| WO2021248514A1 (en) * | 2020-06-12 | 2021-12-16 | 浙江哈克雷斯传动科技有限公司 | Electric vehicle variable speed drive system with automatic feedback speed regulation function |
-
2012
- 2012-07-20 CN CN2012203553332U patent/CN202992046U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307222A (en) * | 2013-06-13 | 2013-09-18 | 同济大学 | Mechanical automatic transmission of electric automobile provided with overrun clutch |
| CN103307222B (en) * | 2013-06-13 | 2016-04-06 | 同济大学 | A kind of automotive dynamoelectric machine formula automatic transmission with free wheel device |
| CN104455333A (en) * | 2014-10-21 | 2015-03-25 | 重庆市霞艺汽车配件制造有限公司 | Left box of two-gear electric bicycle speed changer assembly |
| CN106246849A (en) * | 2016-08-31 | 2016-12-21 | 赣州五环机器有限责任公司 | A kind of two grades of electric auto-shifting automotive transmissions of bridge case one |
| CN106246849B (en) * | 2016-08-31 | 2019-03-29 | 赣州五环机器有限责任公司 | A kind of two grades of electric auto-shifting automotive transmissions of bridge case one |
| CN106195192A (en) * | 2016-09-29 | 2016-12-07 | 重庆实强机器制造厂 | A kind of electric automobile and two grades of change speed gear boxes thereof |
| CN107366732A (en) * | 2017-07-22 | 2017-11-21 | 朱幕松 | Automatic spring gear shifting differential speed motor |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
| WO2021248514A1 (en) * | 2020-06-12 | 2021-12-16 | 浙江哈克雷斯传动科技有限公司 | Electric vehicle variable speed drive system with automatic feedback speed regulation function |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20170720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |